A crash on the A20 Sidcup bypass is causing travel delays this morning.

One of three lanes remains closed after the road was blocked southbound at Footscray between between Frognal Corner and Crittalls Corner following the crash around 6.25am near Queen Mary's Hospital.

There is still queueing traffic.

Police and the ambulance service are on scene.

A Met Police spokesman told News Shopper they were called shortly after 6am and found that two cars had crashed.

The spokesman said the London Ambulance Service treated people at the scene for minor injuries.

UPDATE - One lane remains closed but traffic is coping well.